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SubjectRe: [PATCH] extcon: axp288: Fix build err without CONFIG_ACPI
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On 2019/4/4 20:02, Hans de Goede wrote:
> Hi,
>
> On 04-04-19 12:42, Yue Haibing wrote:
>> From: YueHaibing <yuehaibing@huawei.com>
>>
>> When building CONFIG_ACPI is not set
>> gcc warn this:
>>
>> drivers/extcon/extcon-axp288.c: In function 'axp288_extcon_probe':
>> drivers/extcon/extcon-axp288.c:363:20: error: dereferencing pointer to incomplete type
>> put_device(&adev->dev);
>>
>> Reported-by: Hulk Robot <hulkci@huawei.com>
>> Fixes: 0cf064db948a ("extcon: axp288: Convert to use acpi_dev_get_first_match_dev()")
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>
> Using this driver without ACPI makes little sense, IMHO it would be better to add
> a depends on ACPI to the Kconfig entry, rather then adding #ifdef-s to the driver.

OK, thank for your commnet, I will send v2 as this.

>
> Regards,
>
> Hans
>
>
>> ---
>> drivers/extcon/extcon-axp288.c | 8 +++++---
>> 1 file changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
>> index 50f9402..ed8ac3f 100644
>> --- a/drivers/extcon/extcon-axp288.c
>> +++ b/drivers/extcon/extcon-axp288.c
>> @@ -333,7 +333,6 @@ static int axp288_extcon_probe(struct platform_device *pdev)
>> struct axp288_extcon_info *info;
>> struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
>> struct device *dev = &pdev->dev;
>> - struct acpi_device *adev;
>> int ret, i, pirq;
>> info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
>> @@ -357,6 +356,8 @@ static int axp288_extcon_probe(struct platform_device *pdev)
>> if (ret)
>> return ret;
>> +#ifdef CONFIG_ACPI
>> + struct acpi_device *adev;
>> adev = acpi_dev_get_first_match_dev("INT3496", NULL, -1);
>> if (adev) {
>> info->id_extcon = extcon_get_extcon_dev(acpi_dev_name(adev));
>> @@ -365,9 +366,10 @@ static int axp288_extcon_probe(struct platform_device *pdev)
>> return -EPROBE_DEFER;
>> dev_info(dev, "controlling USB role\n");
>> - } else {
>> - dev_info(dev, "controlling USB role based on Vbus presence\n");
>> }
>> +#else
>> + dev_info(dev, "controlling USB role based on Vbus presence\n");
>> +#endif
>> }
>> info->vbus_attach = axp288_get_vbus_attach(info);
>>
>
> .
>

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